<template>
	<section>
		<!--工具条-->
		<el-col :span="24" class="toolbar" style="padding-bottom: 0px;">
			<el-form :inline="true" :model="filters">
				<el-form-item>
          <el-input v-model="filters.keyword" placeholder="关键字"></el-input>
				</el-form-item>
				<el-form-item>
					<el-button type="primary" v-on:click="search">查询</el-button>
				</el-form-item>
				<el-form-item>
					<el-button type="primary" @click="handleAdd">新增</el-button>
				</el-form-item>
			</el-form>
		</el-col>

		<!--列表-->
		<el-table :data="departments" highlight-current-row v-loading="listLoading" @selection-change="selsChange" style="width: 100%;">
			<el-table-column type="selection" width="55">
			</el-table-column>
			<el-table-column type="index" width="60">
			</el-table-column>
			<el-table-column prop="name" label="部门名称" width="120" sortable>
			</el-table-column>
			<el-table-column prop="sn" label="编号" width="100"  sortable>
			</el-table-column>
			<el-table-column prop="state" label="状态" width="100" sortable>
        <template scope="scope">
          <span v-if="scope.row.state === 0" style="color: green">启用</span>
          <span v-else-if="scope.row.state === -1" style="color: red">禁用</span>
          <span v-else style="color: #1F2D3D">未知</span>
        </template>
			</el-table-column>
			<el-table-column prop="manager.username" label="管理员" width="120" sortable>
			</el-table-column>
			<el-table-column prop="parent.name" label="上级部门" min-width="180" sortable>
			</el-table-column>
			<el-table-column label="操作" width="150">
				<template scope="scope">
					<el-button size="small" @click="handleEdit(scope.$index, scope.row)">编辑</el-button>
					<el-button type="danger" size="small" @click="handleDel(scope.$index, scope.row)">删除</el-button>
				</template>
			</el-table-column>
		</el-table>
    <!--分页条-->
    <el-col :span="24" class="toolbar">
      <el-button type="danger" @click="batchRemove" :disabled="this.sels.length===0">批量删除</el-button>
      <el-pagination layout="prev, pager, next"
                     @current-change="handleCurrentChange"
                     :page-size="pageSize"
                     :total="total"
                     :current-page="currentPage"
                     style="float:right;">
      </el-pagination>
    </el-col>


		<!--新增编辑界面二合一
    visible.sync控制模态框是否显示
    ref模态框别名
    rules 绑定表单校验
    prop 绑定需要校验的行
    :title 绑定单击事件取值
		-->
		<el-dialog :title="title" :visible.sync="saveFormVisible" :close-on-click-modal="false">
			<el-form :model="saveForm" label-width="80px" :rules="saveFormRules" ref="saveForm">
				<el-form-item label="名称" prop="name">
					<el-input v-model="saveForm.name" auto-complete="off"></el-input>
				</el-form-item>
				<el-form-item label="状态" prop="state">
					<el-radio-group v-model="saveForm.state">
						<el-radio class="radio" :label="0">启用</el-radio>
						<el-radio class="radio" :label="-1">禁用</el-radio>
					</el-radio-group>
				</el-form-item>
				<el-form-item label="编号" prop="sn">
          <el-input v-model="saveForm.sn" auto-complete="off"></el-input>
				</el-form-item>
				<el-form-item label="管理员" >
					<el-select v-model="saveForm.manager" clearable value-key="id" placeholder="请选择">
            <!--下拉选项
						  :key=""  //唯一标识
						  :label 选择之后展示到选择框中的值
						  :value 选中之后绑定给模型层的值  如果要绑定对象给模型层 有一个大坑   用户选择后要把数据（对象）绑定给模型层
						     必须要写  value-key="id"
						-->
            <el-option
                v-for="item in employees"  循环遍历后端返回的数据赋值
                :key="item.id"
                :label="item.username"
                :value="item">
              <span style="float: left">{{ item.username }}</span>
              <span style="float: right; color: #8492a6; font-size: 13px">{{ item.phone }}</span>
            </el-option>


          </el-select>

				</el-form-item>
        <el-form-item label="上级部门">
          <el-cascader v-model="saveForm.parent"
                       :options="deptTree"
                       :props="{
							   checkStrictly: true,
							   label:'name',
							   value:'id'
							}" clearable></el-cascader>
        </el-form-item>
			</el-form>
			<div slot="footer" class="dialog-footer">
				<el-button @click.native="saveFormVisible = false">取消</el-button>
				<el-button type="primary" @click.native="saveSubmit" :loading="saveLoading">提交</el-button>
			</div>
		</el-dialog>
	</section>
</template>

<script>
	import util from '../../common/js/util'
	//import NProgress from 'nprogress'
	import { getDepartmentListPage, removeDepartment, batchRemoveDepartment, editDepartment, addDepartment } from '../../api/api';

	export default {
		data() {
			return {
        title :"",
				filters: {
        keyword:""
				},
        deptTree:[],//下拉框树形数据接收
				departments: [],
        employees:[],//部门管理员下拉列表数据
				total: 0,
        currentPage: 1,
				pageSize: 10,
				listLoading: false,
				sels: [],//列表选中列
				saveFormVisible: false,//编辑界面是否显示
				saveLoading: false,
				saveFormRules: {
					name: [
						{ required: true, message: '请输入姓名', trigger: 'blur' }
					],
          sn:[
            {required: true, message: '请输入编号', trigger: 'blur'}
          ] //给编辑框属性赋值提示
				},
				//编辑界面数据
				saveForm: {
          id:null,
					name: '',
          sn:"",
          state:0,
          manager:null,
          parent:null,
				}

			}
		},
		methods: {
      //高级查询
      search(){
      this.currentPage = 1;//高级查询一定要定位到第一页防止数据不够一页用户查完还在查询页看不到数据
      this.getDepartments();
      },

			handleCurrentChange(val) {
				this.currentPage = val;
				this.getDepartments();
			},
			//获取部门列表
			getDepartments() {
				let para = {
					currentPage: this.currentPage,
          pageSize:this.pageSize,
          keyword: this.filters.keyword  //高级查询关键字
				};
        this.listLoading = true;//开启忙等框
        //发送axios请求从后端8080拿数据
        this.$http.post("/dept/page",para)
            .then(result=>{ //请求成功
              this.listLoading = false; //关闭忙等框
              console.log(result);
              result = result.data;
              this.departments = result.rows;
              this.total = result.total;
            })
            .catch(result=>{
              console.log(result);
              this.$message({
                type: 'error',
                message: "系统繁忙"
              });
            })



				//NProgress.start();
				/*getDepartmentListPage(para).then((res) => {
					this.total = res.data.total;
					this.departments = res.data.departments;
					this.listLoading = false;
					//NProgress.done();
				});*/
			},
			//删除
			handleDel: function (index, row) {
				this.$confirm('确认删除该记录吗?', '提示', {
					type: 'warning'
				}).then(() => {
					this.listLoading = true;
					this.$http.delete("/dept/"+row.id)
          .then(result=>{
            this.listLoading = false; // 关闭忙等框
            result = result.data;
            if (result.success){//删除成功
              this.$message({
                type:"success",
                message:result.message //获取前端返回的信息
              });
              this.currentPage = 1;
              this.getDepartments() //定位到首页重新加载页面
            }else {//删除失败
              this.$message({
                type:"error",
                message:result.message
              });
              this.currentPage = 1;
              this.getDepartments() //定位到首页重新加载页面
            }
          }).catch(result=>{ //操作异常
            this.listLoading = false;
            console.log(result);
            this.$message({
              type: 'error',
              message: '系统错误,正在殴打程序员'
            });
          }).catch(()=>{//点击取消按钮 无操作

          })
        })
			},
			//显示编辑界面
			handleEdit: function (index, row) {
        this.getDeptTree();//点击按钮加载部门树
        this.title = "修改";
				this.saveFormVisible = true;
				this.saveForm = Object.assign({}, row);//回显
			},
			//显示新增界面
			handleAdd: function () {
        this.getDeptTree(); //点击按钮加载部门树
        this.title = "新增";
				this.saveFormVisible = true;
				this.saveForm = {
          id:null,
          name: '',
          sn:"",
          state:0,
          manager:null,
          parent:null,
				};
			},
			//编辑
			saveSubmit: function () {
				this.$refs.saveForm.validate((valid) => {
					if (valid) {
						this.$confirm('确认提交吗？', '提示', {}).then(() => {
							this.saveLoading = true;//开启按钮忙等
              this.listLoading = true;//开启忙等框
              let para = Object.assign({}, this.saveForm); //获取模态框中的数据
              if(para.parent){
                para.parent = {"id":para.parent[para.parent.length-1]}//转换前端部门树形数据id的格式只取最后一位
              }
              //发送请求
              this.$http.post("/dept/save",para)
                  .then(result=>{
                    this.listLoading = false; // 关闭忙等框
                    result = result.data;
                    if (result.success){//新增成功
                      this.saveLoading = false;//关闭按钮忙等
                      this.$message({
                        type:"success",
                        message:result.message //获取前端返回的信息
                      });
                      this.currentPage = 1;
                      this.getDepartments() //定位到首页重新加载页面
                      this.saveFormVisible = false;//关闭模态框
                    }else {//删除失败
                      this.$message({
                        type:"error",
                        message:result.message
                      });
                      this.currentPage = 1;
                      this.getDepartments() //定位到首页重新加载页面
                    }
                  }).catch(result=>{ //操作异常
                this.listLoading = false;
                console.log(result);
                this.$message({
                  type: 'error',
                  message: '系统错误,正在殴打程序员'
                });
              }).catch(()=>{//点击取消按钮 无操作

              })
						});
					}
				});
			},
			selsChange: function (sels) {
				this.sels = sels; //勾选复选框的时候触发，当前复选框中所有的值
			},
			//批量删除
			batchRemove: function () {
				var ids = this.sels.map(item => item.id);
				this.$confirm('确认删除选中记录吗？', '提示', {
					type: 'warning'
				}).then(() => {
					this.listLoading = true;
          console.log(ids)
				  this.$http.patch("/dept",ids)
              .then(result=>{
                this.listLoading = false;
                result = result.data;//AjaxResult success:true/false
                if(result.success){//删除成功
                  this.$message({
                    type: 'success',
                    message: result.message
                  });
                  //重新加载页面数据  要  要不要定位到第一页
                  this.currentPage = 1;
                  this.getDepartments();
                }else{
                  this.$message({
                    type: 'error',
                    message: result.message
                  });
                  //重新加载页面数据  要  要不要定位到第一页
                  this.currentPage = 1;
                  this.getDepartments();
                }
              })
              .catch(result=>{
                this.listLoading = false;
                console.log(result);
                this.$message({
                  type: 'error',
                  message: '系统错误'
                });
              })

				}).catch(() => {

				});
			},
      //下拉选项框
      getEmployees(){
        this.$http.get("/employee/list")
            .then(result=>{
              this.employees = result.data; //把前端查询到的数据赋值给employess方便下拉框取值
            })
      },
      getDeptTree(){
        this.$http.post("/dept/tree")
        .then(result=>{
          this.deptTree = result.data;
        })
      }
		},
		mounted() {
			this.getDepartments(); /*页面加载时触发   钩子函数*/
      this.getEmployees(
      ); /*下拉框*/
		}
	}

</script>

<style scoped>

</style>